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. 2021 Mar 11;15:657361. doi: 10.3389/fnins.2021.657361

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Copyright © 2021 Bian, Guo, Jiang, Chen, Liu, Zheng and Feng.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Algorithm to mitigate the motion artifact during DRG recording. (A) The magnified view of the first frame of the captured image stack. (B) The overlays of two typical image frames (#1350 and 1500, in magenta color) with the first frame (in green). Significant motion artifacts were revealed with overlays in B1 and B2 before alignment, which was greatly reduced in B3 and B4 after alignment. (C) The translational shifts of all image frames recorded from a typical colorectal distension protocol.